diff --git a/build-constraints.yaml b/build-constraints.yaml
index eb847450..9d121dd9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3432,7 +3432,6 @@ packages:
         - handwriting
 
     "Stephen Diehl <stephen.m.diehl@gmail.com> @sdiehl":
-        - llvm-hs-pretty
         - protolude
         - repline
         - picosat
@@ -3663,12 +3662,9 @@ packages:
 
     "Moritz Kiefer <moritz.kiefer@purelyfunctional.org> @cocreature":
         - lrucaching
-        - llvm-hs
-        - llvm-hs-pure
 
     "Thierry Bourrillon <thierry.bourrillon@fpinsight.com> @tbourrillon":
         - heatshrink
-        - hocilib
 
     "Daniel Mendler <mail@daniel-mendler.de> @minad":
         - quickcheck-special
@@ -5963,7 +5959,6 @@ packages:
         - kawhi < 0 # 0.3.0 compile fail aeson 2.0
         - lens-typelevel < 0 # 0.1.1.0
         - llvm-hs < 0 # 9.0.1 llvm-config
-        - llvm-hs-pretty < 0 # 0.9.0.0
         - machines-binary < 0 # 7.0.0.0
         - machines-io < 0 # 7.0.0.0
         - mltool < 0 # 0.2.0.1